Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.3
77
Interfaze Beta
76
Pick Grok 4.3 if you want the stronger benchmark profile. Interfaze Beta only becomes the better choice if knowledge is the priority.
Knowledge
+36.0 difference
Multimodal
+7.0 difference
Grok 4.3
Interfaze Beta
$1.25 / $2.5
$1.5 / $3.5
209 t/s
N/A
12.36s
N/A
1M
1M
Pick Grok 4.3 if you want the stronger benchmark profile. Interfaze Beta only becomes the better choice if knowledge is the priority.
Grok 4.3 finishes one point ahead on BenchLM's provisional leaderboard, 77 to 76. That is enough to call, but not enough to treat as a blowout. This matchup comes down to a few meaningful edges rather than one model dominating the board.
Grok 4.3's sharpest advantage is in multimodal & grounded, where it averages 78.1 against 71.1. The single biggest benchmark swing on the page is MMMU-Pro, 78.1% to 71.1%. Interfaze Beta does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Interfaze Beta is also the more expensive model on tokens at $1.50 input / $3.50 output per 1M tokens, versus $1.25 input / $2.50 output per 1M tokens for Grok 4.3.
Grok 4.3 is ahead on BenchLM's provisional leaderboard, 77 to 76. The biggest single separator in this matchup is MMMU-Pro, where the scores are 78.1% and 71.1%.
Interfaze Beta has the edge for knowledge tasks in this comparison, averaging 89.9 versus 53.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Grok 4.3 has the edge for multimodal and grounded tasks in this comparison, averaging 78.1 versus 71.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
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